Automatic straightening device and method for small-size thin-wall slender round pipe

Abstract

The invention discloses an automatic straightening device and method for a small-size thin-wall long and thin round pipe. The automatic straightening device comprises a workbench, a base body is installed on the workbench, and a sliding table mechanism, an extrusion mechanism, a storage mechanism and a feeding mechanism are installed on the base body; the control system and the storage box are installed on the workbench, and the storage box is located below the sliding table mechanism; and the control system is used for controlling the sliding table mechanism, the extrusion mechanism, the storage mechanism and the feeding mechanism. The automatic straightening machine is suitable for straightening small-size thin-wall type round pipes, feeding can be completed through cooperation of the storage mechanism and the feeding mechanism, the sliding table mechanism reciprocates according to a preset track, workpiece straightening is achieved through cooperation of the extrusion mechanism, automatic operation is achieved through digital control, automatic continuous machining is achieved, and the production efficiency is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of mechanical processing, in particular to an automatic straightening device and method for a small-size, thin-walled, slender round tube. Background Art

[0002] The automatic straightening device for thin-walled round tubes is a production equipment that controls the straightness of small-sized, thin-walled, slender round tubes within the process requirements. It plays an important role in ensuring the subsequent processing quality of small-sized, thin-walled, slender round tubes.

[0003] At present, manual operation is used in the processing of small-sized, thin-walled, slender round tubes. The processing efficiency is low and the poor straightening effect also affects the processing quality of the workpiece to a certain extent, which has a serious impact on the qualification rate of subsequent CNC lathe processing.

[0004] The present invention designs a straightening device that is particularly suitable for small-sized, thin-walled, and long round tubes. The feeding can be completed by the cooperation of the storage mechanism and the feeding mechanism. The slide mechanism reciprocates along a predetermined track and cooperates with the extrusion mechanism to achieve workpiece straightening. The control system consists of a human-machine interaction unit and a main control unit. The signal is transmitted to the main control unit through the human-machine interaction unit, etc., to complete the logic control and realize automatic operation. Automated operation is realized through digital control, automatic continuous processing is realized, and production efficiency is improved. Summary of the invention

[0005] In order to solve the above problems in the prior art, the present invention provides a device and method for automatically straightening a small-sized, thin-walled, slender round tube.

[0006] The present invention adopts the following technical solutions:

[0007] An automatic straightening device for a small-sized, thin-walled, slender round tube comprises a workbench, a base body is mounted on the workbench, and a slide mechanism, an extrusion mechanism, a material storage mechanism and a material feeding mechanism are respectively mounted on the base body;

[0008] It also includes a control system and a storage box installed on the workbench, wherein the storage box is located below the slide mechanism;

[0009] The control system is used to control the slide mechanism, the extrusion mechanism, the storage mechanism and the feeding mechanism.

[0010] Furthermore, in an embodiment, it can also be considered that the control system includes a human-machine interaction unit and a main control unit, the human-machine interaction unit is installed on the workbench, and the main control unit is connected to the base through bolts;

[0011] The human-machine interaction unit transmits a signal to the main control unit, and the main control unit controls the material storage mechanism, the material feeding mechanism, the slide mechanism and the extrusion mechanism.

[0012] Furthermore, in an embodiment, it can also be considered that the slide mechanism includes a slide mounted on the base, a slide plate is slidably connected to the slide, and a straightening block is connected to the slide plate by bolts.

[0013] Furthermore, in an embodiment, it can also be considered that the extrusion mechanism includes a base mounted on the base, a front support plate and a rear support plate relative to each other are mounted on the base, a pair of side support plates are mounted between the front support plate and the rear support plate, and a fixing block is mounted above the pair of side support plates;

[0014] It also includes a guide rod with an external thread, one side of the guide rod is threadedly connected with an extrusion block, an adjustment channel is formed between the extrusion block and the straightening block, and the adjustment channel corresponds to the storage box below;

[0015] A spring is sleeved on the other side of the guide rod and is threadedly passed through the front support plate, the fixing block and the rear support plate in sequence.

[0016] Furthermore, in an embodiment, it can also be considered that the guide rod passes through one side of the rear support plate and is threadedly connected with a double nut.

[0017] Furthermore, in the embodiment, it can also be considered that a pair of guide rods are provided.

[0018] Furthermore, in an embodiment, it can also be considered that the material storage mechanism includes a side plate, the side plate is fixedly connected to the base by bolts, the front plate and the inclined baffle are connected to the side plate to form a discharge port, and the inclined baffle is provided with an opening.

[0019] Furthermore, in the embodiments, it can also be considered that the feeding mechanism includes a cylinder base installed on the base through a threaded connection, the cylinder is installed on the cylinder base, the cylinder side is bolted to an L-shaped horizontal push plate, and the L-shaped horizontal push plate is bolted to a plectrum.

[0020] Furthermore, in an embodiment, it can also be considered that the human-machine interaction unit includes an operation box installed on the workbench, a touch screen is arranged in the operation box, and an emergency stop button is bolted and installed on the operation box and electrically connected to the human-machine interaction unit.

[0021] The second purpose of the present invention is:

[0022] A method for automatically straightening a small-sized, thin-walled, slender round tube, characterized in that it comprises the following steps:

[0023] S1: Put the small-sized thin-walled slender round tube into the storage mechanism, and the small-sized thin-walled slender round tube automatically falls along the inclined baffle of the storage mechanism to the cylinder base of the feeding mechanism. The cylinder drives the L-shaped horizontal push plate to push the small-sized thin-walled slender round tube to the leftmost side of the cylinder base. The plucking piece simulates a finger passing through the opening of the inclined baffle in the storage mechanism to pry the small-sized thin-walled slender round tube and transport the small-sized thin-walled slender round tube to the feeding mechanism;

[0024] S2: The slide of the slide mechanism drives the slide plate to move up and down, and the straightening block reciprocates up and down with the slide block. The extrusion block and the guide rod in the extrusion mechanism are forced to move to the right. The spring provides a left elastic force after being stressed. The small-sized, thin-walled, slender round tube is squeezed and rolls with the straightening block of the slide mechanism to start straightening.

[0025] S3: The straightened small-sized thin-walled elongated round tube slides down from the slide mechanism to the storage box;

[0026] S4: The feeding mechanism returns to the initial position and enters the next cycle.

[0027] Combining all the above technical solutions, the advantages and positive effects of the present invention are as follows:

[0028] 1. The device of the present invention realizes the straightening and batch efficient processing of small-sized thin-walled round tubes;

[0029] 2. The coordinated use of the slide mechanism, the feeding mechanism and the extrusion mechanism of the present invention can achieve stable processing during the straightening process;

[0030] 3. The loading, feeding, extrusion, straightening and unloading of the device of the present invention are all automated;

[0031] 4. The control system of the present invention is implemented based on PLC, which controls and integrates the components of the slide mechanism, feeding mechanism and extrusion mechanism, and realizes extrusion straightening of the feeding conveniently and reliably. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] The technical solution of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments, but it should be understood that these drawings are designed only for explanation purposes and are not intended to limit the scope of the present invention. In addition, unless otherwise specified, these drawings are intended only to conceptually illustrate the structural configurations described herein and are not necessarily drawn to scale.

[0033] Figure 1 It is a front schematic diagram of the present invention;

[0034] Figure 2 is an axonometric perspective view of the present invention;

[0035] Figure 3 is a schematic diagram of the slide mechanism;

[0036] Figure 4 is a schematic diagram of the extrusion structure;

[0037] Figure 5 It is a schematic diagram of the storage structure;

[0038] Figure 6 is a schematic diagram of the feeding structure;

[0039] Figure 7 is a schematic diagram of a human-computer interaction unit;

[0040] Figure 8 It is a schematic diagram of the structure of a small-sized thin-walled pipe;

[0041] In the figure:

[0042] 1-slide mechanism; 2-extrusion mechanism; 3-storage mechanism; 4-feeding mechanism; 5-human-machine interaction unit; 6-base; 7-workbench; 8-main control unit; 9-storage box; 10-slide; 11-slide plate; 12-straightening block 13-extrusion block; 14-guide rod; 15-spring; 16-side support plate; 17-fixing block; 18-double nut; 19-front support plate; 20-rear support plate; 21-base; 22-front plate; 23-side plate; 24-oblique baffle; 25-pick piece; 26-L-shaped horizontal push plate; 27-cylinder base; 28-cylinder; 29-touch screen; 30-emergency stop button; 31-operation box. DETAILED DESCRIPTION

[0043] First of all, it should be noted that the specific structure, features and advantages of the present invention will be specifically described below by way of example, but all descriptions are only for illustration and should not be understood as limiting the present invention in any way. In addition, any single technical feature described or implied in the embodiments mentioned herein, or any single technical feature displayed or implied in the drawings, can still be combined or deleted between these technical features to obtain more other embodiments of the present invention that may not be directly mentioned in this document. In addition, in order to simplify the drawings, the same or similar technical features may be marked only in one place in the same drawing.

[0044] In the present invention, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances.

[0045] The following is combined with Figure 1 -Attached Figure 8 The present invention will be described in detail.

[0046] Embodiment 1:

[0047] An automatic straightening device for a small-sized, thin-walled, slender round tube comprises a workbench 7, a base body 6 is mounted on the workbench 7, and a slide mechanism 1, an extrusion mechanism 2, a storage mechanism 3 and a feeding mechanism 4 are respectively mounted on the base body 6;

[0048] It also includes a control system and a storage box 9 installed on the workbench 7, and the storage box 9 is located below the slide mechanism 1;

[0049] The control system is used to control the slide mechanism 1 , the extrusion mechanism 2 , the material storage mechanism 3 and the material feeding mechanism 4 .

[0050] Working principle:

[0051] The present invention is suitable for small-sized thin-walled elongated round tubes, such as Figure 1 As shown, the slide mechanism 1 is arranged on the outside of the base 6, the inner side of the slide mechanism 1 is provided with a storage mechanism 3 and a feeding mechanism 4 from top to bottom, the extrusion mechanism 2 is arranged below the feeding mechanism 4, and an adjustment channel is formed between the slide mechanism 1 and the extrusion mechanism 2. The storage box 9 is arranged below the slide mechanism 1 and the extrusion mechanism 2 to facilitate receiving the small-sized thin-walled slender round tube after straightening.

[0052] When in use, the material storage mechanism and the feeding mechanism cooperate to feed the material, and the slide mechanism reciprocates along the predetermined track, cooperating with the extrusion mechanism to achieve the straightening of small-sized thin-walled slender round tubes; the control system consists of two parts: the human-machine interaction unit and the main control unit. The human-machine interaction unit transmits the signal to the main control unit to complete the logic control and realize automatic operation. Through digital control, automatic operation is realized, automatic continuous processing is realized, and production efficiency is improved.

[0053] Furthermore, it can also be considered in the embodiment that the control system includes a human-machine interaction unit 5 and a main control unit 8, the human-machine interaction unit 5 is installed on the workbench 7, and the main control unit 8 is connected to the base 6 by bolts;

[0054] The human-machine interaction unit 5 transmits a signal to the main control unit 8 , and the main control unit 8 controls the material storage mechanism 3 , the material feeding mechanism 4 , the slide mechanism 1 and the extrusion mechanism 2 .

[0055] In this embodiment, Figure 2 As shown, the base 6 is in the shape of a right triangle, and the main control unit 8 is installed on the back of the base 6 and is connected to the human-machine interaction unit 5 on the workbench 7 through a signal;

[0056] The storage mechanism 3 and the feeding mechanism 4 cooperate to complete the feeding, and the slide mechanism 1 reciprocates along the predetermined track to cooperate with the extrusion mechanism 2 to realize the straightening of the small-sized thin-walled slender round tube; the signal is transmitted to the main control unit 8 through the human-computer interaction unit 5, etc., and the logic control is completed to realize automatic operation so that the straightened small-sized thin-walled slender round tube can be smoothly discharged and collected into the storage box 9.

[0057] Furthermore, in the embodiment, it can also be considered that the slide mechanism 1 includes a slide 10 installed on the base 6, a slide plate 11 is slidably connected to the slide 10, and a straightening block 12 is connected to the slide plate 11 by bolts.

[0058] In this embodiment, Figure 3 As shown, the slide mechanism 1 is installed on the front side of the base 6, and is arranged opposite to the main control unit 8 across the base 6. The slide plate 11 slides on the slide 10 to drive the straightening block 12 to reciprocate up and down.

[0059] Furthermore, in the embodiment, it can also be considered that the extrusion mechanism 2 includes a base 21 mounted on the base 6, and a front support plate 19 and a rear support plate 20 are mounted on the base 21. A pair of side support plates 16 are installed between the front support plate 19 and the rear support plate 20, and a fixing block 17 is installed above the pair of side support plates 16;

[0060] It also includes a guide rod 14 with an external thread, one side of the guide rod 14 is threadedly connected to an extrusion block 13, an adjustment channel is formed between the extrusion block 13 and the straightening block 12, and the adjustment channel corresponds to the storage box 9 below;

[0061] A spring 15 is sleeved on the other side of the guide rod 14 and is threadedly passed through the front support plate 19 , the fixing block 17 and the rear support plate 20 in sequence.

[0062] In this embodiment, Figure 1 and Figure 4As shown, the extrusion mechanism 2 is connected by bolts to install the base 21 on the base 6, the guide rod 14 has external threads at both ends, and the left end is installed on the extrusion block 13 through a threaded connection, and the springs 15 are respectively passed through the guide rods 14, and the guide rods 14 pass through the front support plate 19 and the slider 17 in turn, and are connected to the rear support plate 20 through threads.

[0063] The extrusion block 13 and the straightening block 12 of the slide mechanism 1 form a straightening channel, and the small-sized thin-walled slender round tube enters the adjustment channel. The straightening block 12 reciprocates up and down to achieve straightening of the small-sized thin-walled slender round tube.

[0064] Furthermore, in the embodiment, it can also be considered that the guide rod 14 passes through one side of the rear support plate 20 and is threadedly connected with a double nut 18 .

[0065] In this embodiment, the double nut 18 performs anti-loosening thread connection on the guide rod 14 to prevent the guide rod 14 from slipping after excessive rotation.

[0066] Furthermore, in the embodiment, it can also be considered that a pair of guide rods 14 are provided. In this embodiment, the number of guide rods 14 determines the stability of the extrusion mechanism 2.

[0067] Furthermore, in the embodiment, it can also be considered that the storage mechanism 3 includes a side plate 23, and the side plate 23 is fixedly connected to the base 6 by bolts, and the front plate 22 and the inclined baffle 24 are connected to the side plate 23 to form a discharge port, and the inclined baffle 24 is provided with an opening.

[0068] In this embodiment, Figure 5 As shown, the small-sized, thin-walled, slender round tube goes down from the discharge port formed between the front plate 22 and the inclined baffle 24, enters the feeding mechanism 4, and then enters the straightening channel formed by the extrusion block 13 and the straightening block 12.

[0069] Furthermore, in the embodiment, it can also be considered that the feeding mechanism 4 includes a cylinder base 27 installed on the base 6 through a threaded connection, the cylinder 28 is installed on the cylinder base 27, the cylinder 28 is bolted to the side to install an L-shaped horizontal push plate 22, and the L-shaped horizontal push plate 22 is bolted to the plectrum 25.

[0070] In this embodiment, Figure 6 As shown, the cylinder 28 provides power, and the L-shaped horizontal push plate 22 is used to push the small-sized thin-walled slender round tube to the leftmost side of the cylinder base 27. During the pushing process, the spring-pick 25 passes through the opening of the oblique baffle 24 in the material storage mechanism 3 to pry the small-sized thin-walled slender round tube to prevent the occurrence of material jamming, so that the small-sized thin-walled slender round tube can smoothly fall into the straightening channel formed by the extrusion block 13 and the straightening block 12;

[0071] Furthermore, in the embodiment, it can also be considered that the human-machine interaction unit 5 includes a

[0072] An operation box 31 is provided on the top, a touch screen 29 is arranged in the operation box 31 , and an emergency stop button 27 is bolted and installed on the operation box 31 and is electrically connected to the human-machine interaction unit 5 .

[0073] like Figure 7 As shown, the emergency stop button 27 is connected to the human-machine interaction unit 5, and the human-machine interaction unit 5 transmits a signal to the main control unit 8 to control the stop or start of the entire device.

[0074] Figure 8 The figure shows a small-sized thin-walled round tube involved in the present invention, which has the characteristics of flexible output pressure and adaptive adjustment according to workpieces of different straightnesses, providing convenience for one-time loading and continuous processing equipment, which is beneficial to improving production efficiency. The device of the present invention can also be used for straightening processing of round tubes of other sizes by adjusting the spring model and the straightening gap.

[0075] Embodiment 2:

[0076] A method for automatically straightening a small-sized, thin-walled, slender round tube, characterized in that it comprises the following steps:

[0077] S1: Put the small-sized thin-walled slender round tube into the storage mechanism 3, and the small-sized thin-walled slender round tube automatically falls along the inclined baffle 24 of the storage mechanism 3 to the cylinder base 27 of the feeding mechanism 4, and the cylinder 28 drives the L-shaped horizontal push plate 26 to push the small-sized thin-walled slender round tube to the leftmost side of the cylinder base 27, and the plucking piece 25 simulates a finger passing through the opening of the inclined baffle 24 in the storage mechanism 3 to pry the small-sized thin-walled slender round tube, and transport the small-sized thin-walled slender round tube to the feeding mechanism 4;

[0078] S2: The slide 10 of the slide mechanism 1 drives the slide plate 11 to move up and down, and the straightening block 12 reciprocates up and down with the slide block 11. The extrusion block 13 and the guide rod 14 in the extrusion mechanism 2 are forced to move to the right, and the spring 15 provides a left elastic force after being stressed. The small-sized, thin-walled, slender round tube is squeezed and rolls with the straightening block 12 of the slide mechanism 1, and straightening begins;

[0079] S3: the straightened small-sized thin-walled elongated round tube slides from the slide mechanism 1 to the storage box 9;

[0080] S4: The feeding mechanism 4 returns to the initial position and enters the next cycle.

[0081] The steps of the present invention are to adopt a material storage mechanism and a material feeding mechanism to realize the automatic material feeding operation in the straightening process.

[0082] The above is only a preferred embodiment of the present invention. It should be understood that the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. The present invention is not limited to the form disclosed herein, and should not be regarded as an exclusion of other embodiments, but can be used in various other combinations, modifications and environments. The changes and modifications made by those skilled in the art do not depart from the spirit and scope of the present invention, and should all be within the scope of protection of the claims attached to the present invention.

Claims

1. An automatic straightening device for small-sized, thin-walled, slender round tubes, characterized in that: It comprises a workbench (7), a base body (6) is mounted on the workbench (7), and a slide mechanism (1), an extrusion mechanism (2), a material storage mechanism (3) and a material feeding mechanism (4) are respectively mounted on the base body (6); It also includes a control system and a storage box (9) installed on the workbench (7), wherein the storage box (9) is located below the slide mechanism (1); The control system is used to control the slide mechanism (1), the extrusion mechanism (2), the material storage mechanism (3) and the material feeding mechanism (4).

2. The automatic straightening device for small-sized, thin-walled, slender round tubes according to claim 1, characterized in that: The control system comprises a human-machine interaction unit (5) and a main control unit (8), wherein the human-machine interaction unit (5) is installed on the workbench (7), and the main control unit (8) is connected to the base (6) via bolts; The human-machine interaction unit (5) transmits a signal to a main control unit (8), and the main control unit (8) controls the material storage mechanism (3), the material feeding mechanism (4), the slide mechanism (1) and the extrusion mechanism (2).

3. The automatic straightening device for small-sized, thin-walled, slender round tubes according to claim 2 is characterized by: The slide mechanism (1) comprises a slide (10) mounted on the base (6), a slide plate (11) being slidably connected to the slide (10), and a straightening block (12) being connected to the slide plate (11) via bolts.

4. The automatic straightening device for small-sized, thin-walled, slender round tubes according to claim 3 is characterized by: The extrusion mechanism (2) comprises a base (21) mounted on the base (6), a front support plate (19) and a rear support plate (20) being mounted on the base (21), a pair of side support plates (16) being mounted between the front support plate (19) and the rear support plate (20), and a fixing block (17) being mounted above the pair of side support plates (16); It also includes a guide rod (14) provided with an external thread, one side of the guide rod (14) is threadedly connected to an extrusion block (13), an adjustment channel is formed between the extrusion block (13) and the straightening block (12), and the adjustment channel corresponds to the storage box (9) below; A spring (15) is sleeved on the other side of the guide rod (14) and is threadedly passed through the front support plate (19), the fixing block (17) and the rear support plate (20) in sequence.

5. The automatic straightening device for small-sized, thin-walled, slender round tubes according to claim 4, characterized in that: The guide rod (14) passes through one side of the rear support plate (20) and is threadedly connected with a double nut (18).

6. The automatic straightening device for small-sized, thin-walled, slender round tubes according to claim 5, characterized in that: The guide rods (14) are provided in pair.

7. The automatic straightening device for small-sized, thin-walled, slender round tubes according to claim 2, characterized in that: The material storage mechanism (3) comprises a side plate (23), wherein the side plate (23) is fixedly connected to the base (6) by means of bolts, and a front plate (22) and an inclined baffle (24) are connected to the side plate (23) to form a material discharge port, and an opening is provided on the inclined baffle (24).

8. The automatic straightening device for small-sized, thin-walled, slender round tubes according to claim 2, characterized in that: The feeding mechanism (4) comprises a cylinder base (27) mounted on a base (6) by threaded connection, a cylinder (28) mounted on the cylinder base (27), an L-shaped horizontal push plate (22) being bolted to the side of the cylinder (28), and a spring-pick plate (25) being bolted to the L-shaped horizontal push plate (22).

9. The automatic straightening device for small-sized, thin-walled, slender round tubes according to claim 2, characterized in that: The human-machine interaction unit (5) comprises an operation box (31) mounted on the workbench (7), a touch screen (29) being arranged in the operation box (31), and an emergency stop button (27) being bolted and mounted on the operation box (31) and electrically connected to the human-machine interaction unit (5).

10. A method for automatically straightening a small-sized, thin-walled, slender round tube, characterized in that: The following steps are involved: S1: a small-sized thin-walled slender round tube is placed in a storage mechanism (3), and the small-sized thin-walled slender round tube automatically falls onto a cylinder base (27) of a feeding mechanism (4) along an inclined baffle (24) of the storage mechanism (3), and the cylinder (28) drives an L-shaped horizontal push plate (26) to push the small-sized thin-walled slender round tube to the leftmost side of the cylinder base (27), and a plucking piece (25) simulates a finger passing through an opening of the inclined baffle (24) in the storage mechanism (3) to pry the small-sized thin-walled slender round tube, and transport the small-sized thin-walled slender round tube to the feeding mechanism (4); S2: The slide table (10) of the slide mechanism (1) drives the slide plate (11) to move up and down, and the straightening block (12) reciprocates up and down with the slide block (11). The extrusion block (13) and the guide rod (14) in the extrusion mechanism (2) are forced to move rightward, and the spring (15) provides a leftward elastic force after being forced. The small-sized, thin-walled, slender round tube is squeezed and rolls with the straightening block (12) of the slide mechanism (1), and straightening begins; S3: the straightened small-sized thin-walled elongated round tube slides from the slide mechanism (1) to the storage box (9); S4: The feeding mechanism (4) returns to the initial position and enters the next cycle.

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